A pound of sodium metal in the river This is what happens when a pound of sodium hits water. Facebook Prev Article Next Article Experiments Checkout these cool gadgets... Related Posts Stacked Ball Drop Experiment Don’t Pour Molten Aluminum on Ice Japan 350 km/h Train Is Stable, Very Stable Breaking a Vacuum Chamber Under Water With a powerful enough magnet, you can levitate a frog Chlorine + Braking Fluid = A good time